If the vaginal discharge is smelly, it is most often caused by local inflammation of the vagina, mainly due to the dysbiosis of the vaginal flora causing a large number of anaerobic bacteria to multiply, so it can cause bacterial vaginosis and the discharge will have a big fishy odor. It is also recommended to pay attention to the following points in daily life, the first is the local care of the vulva, wash the vulva once a day. The second is that if the sexual partner is circumcised, before having sex, the foreskin must be turned up and thoroughly cleaned of foreskin scale before having intercourse, so as to reduce the chance of infection.